7th Grade Unit 3(Ratios, Rates, Constant of Proportionality

There are 10 dimes, 8 quarters, and 5 nickels?  What is the ratio of dimes to nickels?

• 10 to 5
• 5 : 10
• 1 : 2
• 2 to 1

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

There are 10 dimes, 8 quarters, and 5 nickels?  What is the ratio of nickels to dimes and quarters?

• 5 : 8
• 5 to 18
• 1 : 2
• 4 to 5

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

Mr. Wright has 7 boys and 9 girls. What is the ratio of girls to boys?

• 7 to 9
• 9 to 7

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

Which rate is equivalent to $9 per hour?

• $27 in 3 hours
• $28 in 4 hours
• $33 in 3 hours

Tags

CCSS.6.RP.A.2

CCSS.6.RP.A.3

My aunt paid $124 for 4 concert tickets.  What is the rate for 7 concert tickets?

• $210
• $264
• $217
• $224

Tags

CCSS.6.RP.A.3B

Which of the following is the correct formula for finding the constant of proportionality?

• k = x/y
• k = y/x
• y = k/x
• x = k/y

Tags

CCSS.7.RP.A.2B

The horizontal axis is the y-axis.

• True
• False

Tags

CCSS.6.NS.C.6B

The point (0, 0) is called the origin.

• True
• False

Tags

CCSS.6.NS.C.6B

The constant of proportionality is also the unit rate.

• True
• False

Tags

CCSS.6.RP.A.2

CCSS.6.RP.A.3

The constant of proportionality for the graph above is 1.

• True
• False

Tags

CCSS.7.RP.A.2B